[clangd] Always send file URIs to editors

Summary:
Editors only know about file URIs, make sure we do not use any custom
schemes while sending edits.

Reviewers: sammccall

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, usaxena95, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D68324

llvm-svn: 373435

clang-tools-extra/clangd/ClangdLSPServer.cpp

@@ -700,7 +700,7 @@ void ClangdLSPServer::onCommand(const ExecuteCommandParams &Params,
       WorkspaceEdit WE;
       WE.changes.emplace();
       for (const auto &It : R->ApplyEdits) {
-        (*WE.changes)[URI::create(It.first()).toString()] =
+        (*WE.changes)[URI::createFile(It.first()).toString()] =
             It.second.asTextEdits();
       }
       // ApplyEdit will take care of calling Reply().